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Maniphest T58856

Python: "to_mesh" broken in 2.8
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Description

Win10
Gtx 580

Blender Version
Broken: Blender 2.8 Beta, latest build
Worked: Blender 2.79b

The to_mesh function is broken in 2.8.
Some modifiers work such as Subsurf, other don't such as the Armature.
@Campbell Barton (campbellbarton) has just fixed a similar issue lately:
https://developer.blender.org/T58788
But this is a separate issue, i've just updated and built Blender 2.8 a few minutes ago, while this patch fixes the first issue, it does not fix this one.

For comparison, you can check it used to work in 2.79 if necessary:

  • Open the blend file

to_mesh_279.blend411 KBDownload

-Click Run Script
-The mesh data have been properly baked and copied to the cube on the right

In 2.8:

  • Open the blend file

to_mesh_280.blend611 KBDownload

-Click Run Script
-The armature modifier has not been baked, Subsurf only

Details

Commits
rBde491abf9962: Fix modifiers evaluation outside of depsgraph/CoW context.
Type
Bug

Related Objects

Event Timeline

Sebastian Parborg (zeddb) assigned this task to Campbell Barton (campbellbarton).Dec 6 2018, 6:49 PM
Sebastian Parborg (zeddb) triaged this task as Confirmed, Medium priority.
Bastien Montagne (mont29) claimed this task.Dec 7 2018, 1:50 PM

Yes will claim… but usually we merge newer reports into older ones ;)

Philipp Oeser (lichtwerk) added a comment.Dec 7 2018, 2:13 PM

@Bastien Montagne (mont29): agreed (just thought this was a bit more general in description)

Bastien Montagne (mont29) added a comment.Dec 7 2018, 3:34 PM

Please do not merge reports just because they use the same general 'end tool'… applying armature modifier has little to see with applying one using curves.

Will reopen the other one, those are not totally related and are better fixed separately.